#458EBF
Closest named color: Cool Blue (#4984B8). oklch(62.1% 0.104 240.7), rgb(69, 142, 191).
Aa
Black text reads best on this color (5.87:1).
About this color
#458EBF is a medium-light, moderately saturated blue. In OKLCH its lightness is 62%, its chroma 0.104 and its hue 241°. Its hue sits on the cool side of the wheel. The nearest named color is Cool Blue (#4984B8), ΔE 0.028 away. Black text reads best on it, at 5.87:1.
| Hue family | Blues |
| Lightness | medium-light (62%) |
| Chroma | moderately saturated (0.104) |
| Temperature | cool |
| Nearest name | Cool Blue (#4984B8) |
| Black text | 5.87:1 |
| White text | 3.57:1 |
Values
| HEX | #458EBF |
| RGB | rgb(69, 142, 191) |
| HSL | hsl(204, 49%, 51%) |
| OKLCH | oklch(62.1% 0.104 240.7) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #458EBF | 3.57:1 | AA large text | Lc -68.6 | Content text, not long reading |
| Black text on #458EBF | 5.87:1 | AA | Lc 41.0 | Non-text elements, placeholder text |
| #458EBF text on white | 3.57:1 | AA large text | Lc 63.1 | Content text, not long reading |
| #458EBF text on black | 5.87:1 | AA | Lc -38.6 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF3
oklch(93.6% 0.015 244.7)
-
Step 200
200
#C9DCEA
oklch(88.5% 0.028 239.7)
-
Step 300
300
#A4C6DF
oklch(81% 0.051 240.1)
-
Step 400
400
#71A8CF
oklch(70.8% 0.081 240.3)
-
Step 500
500 (this color)
#458EBF
oklch(62.1% 0.104 240.7)
-
Step 600
600
#257AAF
oklch(55.5% 0.114 241.2)
-
Step 700
700
#166796
oklch(49.1% 0.105 240.6)
-
Step 800
800
#16547A
oklch(42.7% 0.088 240.9)
-
Step 900
900
#1A4662
oklch(37.8% 0.068 240)
-
Step 950
950
#112939
oklch(27% 0.042 240.1)
#458EBF with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #788EC1 | 0.055 |
| Deuteranopia (no green cones) | #6782BE | 0.044 |
| Tritanopia (no blue cones) | #009A9F | 0.075 |
| Achromatopsia (no color) | #878787 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #458EBF
#458EBF
oklch(62.1% 0.104 240.7)
- #B47740
#B47740
oklch(62.2% 0.104 61)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #458EBF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cool Blue #4984B8 ΔE 0.028
- Faded Blue #658CBB ΔE 0.031
- Dusty Blue #5A86AD ΔE 0.033
- Off Blue #5684AE ΔE 0.034
- Steel Blue #4682B4 ΔE 0.035
- Blue NCS #118AB2 ΔE 0.038
- Water Blue #0E87CC ΔE 0.043
- Dark Sky Blue #448EE4 ΔE 0.057
Use #458EBF in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.